#!/bin/sh
# Cache the file for 30 minutes
# If you want to override this, put the command in cron.
# We cache because it is a 1sec delay, which is painful for the poller

dpkg=`which dpkg-query`

if [ $? -eq 0 ]; then
  DATE=$(date +%s)
  FILE=/tmp/observium-agent-dpkg

  if [ ! -e $FILE ]; then
    $dpkg -W --showformat='${Status} ${Package} ${Version} ${Architecture} ${Installed-Size}\n'|grep " installed "|cut -d\  -f4- > $FILE
  fi
  FILEMTIME=$(stat -c %Y $FILE)
  FILEAGE=$(($DATE-$FILEMTIME))
  if [ $FILEAGE -gt 1800 ]; then
    $dpkg -W --showformat='${Status} ${Package} ${Version} ${Architecture} ${Installed-Size}\n'|grep " installed "|cut -d\  -f4- > $FILE
  fi
  echo "<<<dpkg>>>"
  cat $FILE
fi